![Zeiss SIGMA Series Скачать руководство пользователя страница 91](http://html2.mh-extra.com/html/zeiss/sigma-series/sigma-series_instruction-manual_4422473091.webp)
ZEISS
5 Commissioning and First Operating Steps | 5.4 Acquiring an Image
Procedure
1. In the SEM Controls panel, select the
Vacuum
tab.
2. Check that
Vac Status = Ready
is displayed.
3. In the SEM Controls panel, select the Gun tab.
4. Double-click the
EHT Target
readout.
à
The
EHT Target
window is displayed.
5. In the input field, enter the required acceleration voltage in kV (e.g.
10
) and click
OK
.
6. In the right part of the
Status Bar
, click
.
à
The pop-up menu for vacuum, gun, and EHT activation is displayed.
7. Click
EHT On
.
à
The EHT runs up to the set voltage.
à
In the right part of the
Status Bar
, the vacuum, gun, and EHT status buttons merge to
.
5.4.6 Acquiring an Image
Info
The following procedure describes the best way to quickly obtain an image without the con-
trol panel. You can also use the control panel to adjust aperture alignment, magnification/fo-
cus and brightness/contrast.
The procedure consists of the following steps:
§
§
§
§
Adjusting Brightness and Contrast [
§
Visualizing Details on the Specimen Surface [
5.4.6.1 Selecting the SE Detector
Procedure
1. In the SEM Controls panel, select the Detectors tab.
2. In the Detectors section, select
Signal A = SE2
from the
Signal A
drop-down list.
INFO:
We recommend using the SE detector to
obtain the first image. This detector provides a
good signal-to-noise ratio even at long working
distances.
Instruction Manual ZEISS SIGMA series | en-US | Rev. 7 | 352102-9344-006
91